发明名称 Investment casting core methods
摘要 A sacrificial core is used for forming an interior space of a part and includes a ceramic core element and a first core element including a refractory metal element. The ceramic core element may be molded over the first core element or molded with assembly features permitting assembly with the first core element.
申请公布号 US7270170(B2) 申请公布日期 2007.09.18
申请号 US20040926476 申请日期 2004.08.26
申请人 UNITED TECHNOLOGIES CORPORATION 发明人 BEALS JAMES T.;DRAPER SAMUEL D.;LOPES JOSE A.;MURRAY STEPHEN D.;SPANGLER BRANDON W.;TURKINGTON MICHAEL K.;DUBE BRYAN P.;SANTELER KEITH A.;SNYDER JACOB A.
分类号 B22D29/00;F01D25/00;B22C7/02;B22C9/04;B22C9/10;B22C9/22;B22C9/24;F02C7/00 主分类号 B22D29/00
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